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udhcp: use fdprintf for pidfile creation (smaller code)
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@ -52,15 +52,9 @@ int pidfile_acquire(const char *pidfile)
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void pidfile_write_release(int pid_fd)
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{
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FILE *out;
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if (pid_fd < 0) return;
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out = fdopen(pid_fd, "w");
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if (out) {
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fprintf(out, "%d\n", getpid());
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fclose(out);
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}
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fdprintf(pid_fd, "%d\n", getpid());
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lockf(pid_fd, F_UNLCK, 0);
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close(pid_fd);
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}
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